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Census Geography 1990 - TLG Aligned; Blocks, Block Groups & Tracts [Minnesota]

Metropolitan Council and The Lawrence Group (TLG) Full Details

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Title
Census Geography 1990 - TLG Aligned; Blocks, Block Groups & Tracts [Minnesota]
Description
The Lawrence Group, under contract with Metropolitan Council, created a 1990 Census Bureau block polygon dataset for the Twin Cities Metropolitan Area (Anoka, Carver, Dakota, Hennepin, Ramsey, Scott and Washington Counties). This dataset is coincident with and developed using the TLG Street Centerline and Landmarks databases where 1990 block boundaries fall on those features. For those block boundaries that are defined by features not included in TLG databases, TLG used other digital resources to generate these boundaries, such as orthophotography or additional features from city and county GIS databases. TLG used it's best judgement to digitize block boundaries when the block boundaries followed nonvisible features or street extensions. This is a MetroGIS Regionally Endorsed dataset., The dataset was developed to have a 1990 census block database that is aligned to the TLG street centerlines and landmarks files, for use in analysis which utilizes both the census data and TLG street centerlines/landmarks. Blockgroup and tract datasets have been desolved from the block dataset. Additionally, since TLG's street centerline dataset is aligned within county rights-of-way for these counties, this dataset allows for parcel based analysis as it may pertain to census blocks, block groups and tracts. This dataset is a precursor to creating a 2000 census block dataset when the 2000 TIGER/Line files are released by the Census Bureau., 1990 Census. Adjustment 1/17/01.
Creator
Metropolitan Council and The Lawrence Group (TLG)
Rights
None. This dataset is public domain under the Minnesota Government Data Practices Act (Minnesota Statutes Chapter 13). If the dataset is not available from the Online Linkage in Section 6, please contact the Distribution Contact Person.
Access Rights
Public
Format
Files
Language
English
Date Added
April 26, 2021

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Cite and Reference

  • Citation
    Metropolitan Council and The Lawrence Group (TLG) (n.d.). Census Geography 1990 - TLG Aligned; Blocks, Block Groups & Tracts [Minnesota]. . https://gisdata.mn.gov/dataset/52211445-5e62-47a6-85de-ca1448efccd3 (dataset)
  • BTAA Geoportal Link

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